CN212470484U

CN212470484U - Screw locking device and screw assembly robot

Info

Publication number: CN212470484U
Application number: CN202021848058.9U
Authority: CN
Inventors: 叶晓通; 黄国辉; 黄晶
Original assignee: ADTECH (SHENZHEN) TECHNOLOGY CO LTD
Current assignee: ADTECH (SHENZHEN) TECHNOLOGY CO LTD
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-02-05
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a device is paid to screw lock to a screw assembly robot that has this device is paid to screw lock is disclosed, and the screw lock is paid the device and is included vertical actuating mechanism, lock pair power unit, resilience sleeve subassembly and criticize the pole subassembly. The locking power mechanism comprises a mounting plate and a fourth power piece arranged on the mounting plate; the vertical driving mechanism is connected with the mounting plate and can drive the mounting plate to move in the vertical direction; the resilience sleeve component comprises an outer barrel arranged at the lower end of the mounting plate and an inner barrel sleeved with the lower end of the outer barrel, a first elastic part is arranged between the inner barrel and the outer barrel, and a suction nozzle is arranged at the lower end of the inner barrel; the batch pole subassembly is installed in resilience sleeve subassembly and is connected with fourth driving part. The utility model discloses screw lock pays device can solve screw lock and pay the problem of inefficiency.

Description

Screw locking device and screw assembly robot

Technical Field

The utility model relates to a screw assembly robot technical field, in particular to screw lock pays device and screw assembly robot.

Background

The screw assembly is an important process in the production and manufacturing of most products, and along with the trend of automatic production, the mode of manually locking screws is difficult to meet the large-scale production requirements of the products, and the automatic locking device is gradually adopted in the industry to replace the manual work, so that the locking efficiency is improved. However, most screw locking devices in the market at present mainly use an air cylinder to drive a screwdriver rod assembly to move up and down, so that the screw locking device is complex in structure, more in required parts, not ideal in working speed, low in locking efficiency and difficult to truly and effectively replace manpower.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a device is paid to screw lock to solve the problem that screw lock paid inefficiency.

The utility model discloses still provide a screw assembly robot that has above-mentioned screw lock and pay device.

According to the utility model discloses a device is paid to screw lock of first aspect embodiment, include: the locking power mechanism comprises a mounting plate and a fourth power piece arranged on the mounting plate; the vertical driving mechanism is connected with the mounting plate and can drive the mounting plate to move in the vertical direction; the resilience sleeve component comprises an outer barrel arranged at the lower end of the mounting plate and an inner barrel sleeved with the lower end of the outer barrel, a first elastic part is arranged between the inner barrel and the outer barrel, and a suction nozzle is arranged at the lower end of the inner barrel; and the batching rod assembly is arranged in the rebound sleeve assembly and is connected with the fourth power part, and the fourth power part can drive the batching rod assembly to rotate.

According to the utility model discloses device is paid to screw lock has following beneficial effect at least: the fourth power part is connected with the screwdriver rod assembly, so that the fourth power part can provide rotary power for the screwdriver rod assembly, the mounting plate is connected with the vertical driving mechanism, the vertical driving mechanism can drive the locking power mechanism to move in the vertical direction, locking pressure is provided for the screwdriver rod assembly in transmission connection with the locking power mechanism, accessories such as air cylinders can be saved, screw locking is not needed to be performed when the air cylinders are in place in the working process, the locking efficiency can be improved, and the material cost can be reduced; the upper end of the inner cylinder is arranged in the lower end of the outer cylinder, and a first elastic part is arranged between the inner cylinder and the outer cylinder, so that the inner cylinder can vertically move in the outer cylinder; in the screw locking process, the screw locking device is driven by the vertical driving mechanism to integrally move downwards to a screw locking point, and after the suction nozzle is contacted with the surface of a locked workpiece, the first elastic piece can buffer the suction nozzle, so that the screw locking device and the locked workpiece are protected; the suction nozzle is abutted to the workpiece, so that the effect of stabilizing the workpiece and screw guiding can be achieved, the screws can be stably assembled, and the locking precision is improved; after the action of locking the screw is finished, the screw locking device integrally moves upwards under the action of the vertical driving mechanism, the inner cylinder and the suction nozzle move downwards under the action of the first elastic part, so that the lower end of the screw rod assembly completely enters the suction nozzle, a space is provided for the suction nozzle to suck the screw, and the suction nozzle can conveniently suck the screw in the material taking process.

According to some embodiments of the utility model, the inner tube outside is provided with first spacing ring, the urceolus inboard is provided with the second spacing ring, the urceolus lower extreme is provided with the urceolus end cover, the urceolus end cover set up in first spacing ring below is in order to prevent the inner tube breaks away from the urceolus, first elastic component set up in first spacing ring with between the second spacing ring.

According to some embodiments of the utility model, the inner tube outside is provided with the spacing groove along the axial, the urceolus end cover inboard is provided with to spacing arch that the spacing groove extends.

According to some embodiments of the utility model, criticize the pole subassembly including criticizing the pole lock and paying the structure and criticizing the pole, criticize the pole lock pay the structure include with the transmission sleeve that fourth power component is connected, be provided with the second elastic component in the transmission sleeve, criticize the pole slide from top to bottom set up in the transmission sleeve and with the lower extreme butt of second elastic component, the transmission sleeve can drive criticize the pole rotation.

According to some embodiments of the invention, the driver rod comprises a driving driver rod and a driven driver rod, the driving driver rod and the driven driver rod being connected by a driver rod quick-change structure; the batch rod quick-change structure comprises a lock sleeve, a steel ball and a third elastic piece; the transmission batch rod is connected with the transmission sleeve, the lower end of the transmission batch rod is provided with a groove, the side wall of the groove is provided with a limiting hole, the side wall of the upper end of the driven batch rod is provided with a groove, the groove corresponds to the limiting hole in position, the steel ball is arranged in the limiting hole, the transmission batch rod is further provided with a third limiting ring outside the groove, the lock sleeve is sleeved on the outer side of the groove, the inner side of the lock sleeve is provided with a fourth limiting ring, a third elastic element is arranged between the fourth limiting ring and the third limiting ring, the fourth limiting ring is abutted to the steel ball so as to constrain the steel ball in the groove, and the fourth limiting ring can compress the third elastic element so as to keep away from the steel ball and enable the groove to be separated from the constraint of the steel ball.

According to some embodiments of the utility model, the rebound sleeve subassembly still includes mounting, stand pipe and regulating part, the mounting has the T type pipe of through-hole for the centre, the upper end of T type pipe with the installation of inner tube lower extreme is fixed, the lower extreme of T type pipe is worn to locate in proper order the regulating part with in the stand pipe, the suction nozzle set up in the lower extreme of stand pipe.

According to some embodiments of the utility model, vertical actuating mechanism includes third moving member, transmission assembly and guide, the vertical setting of guide, the third moving member set up in on the transmission assembly and with guide sliding connection, the transmission assembly is connected with the drive the third moving member is in the third power part that slides on the guide, the third moving member with the mounting panel is connected.

According to the utility model discloses a some embodiments, drive assembly includes hold-in range, lead screw and screw-nut, the hold-in range connect in the third driving part with between the lead screw, the third moving member passes through the screw-nut cooperation is connected the lead screw.

According to the utility model discloses a screw assembly robot of second aspect embodiment, pay the device including the screw lock of above-mentioned first aspect embodiment, still include: a base; the first moving platform comprises a first moving part arranged on the base and a first power part for driving the first moving part to horizontally rotate on the base; the second moving platform comprises a second moving part arranged on the first moving part and a second power part for driving the second moving part to horizontally rotate on the first moving part; the screw locking device is arranged on the second moving part.

According to the utility model discloses screw assembly robot has following beneficial effect at least: the screw locking efficiency can be improved, the material cost is reduced, the screws can be stably assembled, and the locking precision is provided.

According to some embodiments of the utility model, first power part set up in on the base and with the one end of first moving member is connected, second power part set up in on the second moving member and with the other end of first moving member is connected, screw lock pay device set up in the second moving member is kept away from the one end of second power part.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a screw locking device according to an embodiment of the present invention;

FIG. 2 is a partial enlarged view of the illustration position B of FIG. 1;

fig. 3 is a front view of a screw locking device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a screw assembling robot according to an embodiment of the present invention;

fig. 5 is a partial enlarged view of the drawing position C of fig. 4.

Reference numerals:

the first moving platform 100, the first moving part 110, the first power part 120, the second moving platform 200, the second moving part 210 and the second power part 220;

the vertical driving mechanism 300, the third moving member 310, the third power member 320, the transmission assembly 330, the synchronous belt 331, the screw rod 332 and the guide member 340;

the locking power mechanism 400, the mounting plate 410 and the fourth power piece 420;

the elastic recovery sleeve component 500, the outer cylinder 510, the second limit ring 511, the outer cylinder end cover 512, the inner cylinder 520, the first elastic part 521, the first limit ring 522, the limit groove 523, the fixing part 530, the adjusting part 540, the guide pipe 550, the air pipe joint 560 and the suction nozzle 570;

the batch rod assembly 600, the batch rod locking structure 610, the transmission sleeve 611, the long hole 612, the second elastic element 613, the transmission batch rod 620, the limiting hole 621, the third limiting ring 622, the driven batch rod 630, the groove 631, the batch rod quick-change structure 640, the lock sleeve 641, the steel ball 642 and the third elastic element 643;

a base 700.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the screw locking device according to the embodiment of the present invention includes a vertical driving mechanism 300 (not shown), a locking power mechanism 400, a resilient sleeve assembly 500, and a batch rod assembly 600.

The locking power mechanism 400 comprises a mounting plate 410 and a fourth power member 420, wherein the fourth power member 420 is arranged on the mounting plate 410; the vertical driving mechanism 300 is connected to the mounting plate 410 and can drive the mounting plate 410 to move in a vertical direction; the rebound sleeve assembly 500 comprises an outer cylinder 510, an inner cylinder 520 and a suction nozzle 570, wherein the outer cylinder 500 is arranged at the lower end of the mounting plate 410, the inner cylinder 520 is sleeved with the lower end of the outer cylinder 510, a first elastic part 521 is arranged between the inner cylinder 520 and the outer cylinder 510, and the suction nozzle 570 is arranged at the lower end of the inner cylinder 520. The batch rod assembly 600 is installed in the rebound sleeve assembly 500 and is connected to the fourth power element 420 in a transmission manner, and the fourth power element 420 can drive the batch rod assembly 600 to rotate.

The fourth power member 420 mentioned above may be a rotating motor or other mechanism capable of providing a rotating power, and the first elastic member 521 may be a compression spring.

By so doing, the fourth power member 420 is connected with the batch rod assembly 600 such that the fourth power member 420 can provide rotational power to the batch rod assembly 600; the mounting plate 410 is connected with the vertical driving mechanism 300, the vertical driving mechanism 300 can drive the locking power mechanism 400 to move in the vertical direction, and locking pressure is provided for the batch rod assembly 600 in transmission connection with the locking power mechanism 400; the upper end of the outer cylinder 510 is fixedly installed with the lower end of the mounting plate 410, the upper end of the inner cylinder 520 is arranged inside the lower end of the outer cylinder 510, and a first elastic part 521 is arranged between the inner cylinder 520 and the outer cylinder 510, so that the inner cylinder 520 can vertically move in the outer cylinder 510, the lower end of the inner cylinder 520 is provided with a suction nozzle 570, the batch rod assembly 600 is arranged in the rebound sleeve assembly 500 and is in transmission connection with the fourth power part 420, and the lower end of the batch rod assembly 600 can be higher than the lower end of the suction nozzle 570. Through the arrangement, not only can accessories such as the air cylinder be saved, but also the screw assembly is not needed to be carried out after the air cylinder is in place in the working process, so that the working time is greatly saved, the assembly efficiency is improved, and the material cost is reduced; in the screw locking process, the screw locking device is driven by the vertical driving mechanism 300 to integrally move downwards to a screw locking point, and after the suction nozzle 570 is contacted with the surface of the workpiece to be locked, the first elastic piece 521 can buffer the suction nozzle 570 and the inner cylinder 520, so that the screw locking device and the workpiece to be locked are protected; the suction nozzle 570 is abutted to the workpiece, so that the effect of stabilizing the workpiece and guiding the screw can be achieved, the screw can be stably assembled, and the locking precision is improved; after the screw locking action is completed, the screw locking device moves up integrally under the action of the vertical driving mechanism 300, the inner cylinder 520 and the suction nozzle 570 move down under the action of the first elastic element 521, so that the height of the lower end of the suction nozzle 570 is lower than that of the lower end of the batch rod assembly 600, a space is provided for the suction nozzle 570 to suck screws, and the suction nozzle 570 can conveniently suck screws in the material taking process.

Referring to fig. 1, in some embodiments of the present invention, a first limit ring 522 is disposed outside the inner cylinder 520, a second limit ring 511 is disposed inside the outer cylinder 510, an outer cylinder end cap 512 is disposed at a lower end of the outer cylinder 510, the outer cylinder end cap 512 is disposed below the first limit ring 522 to prevent the inner cylinder 520 from separating from the outer cylinder 510, and a first elastic member 521 is disposed between the first limit ring 522 and the second limit ring 511.

Specifically, the first limit ring 522 and the second limit ring 511 are arranged oppositely up and down, and the first limit ring 522 is arranged on the inner cylinder 520 and extends towards the outer cylinder 510; the second limiting ring 511 is disposed on the outer cylinder 510 and extends toward the inner cylinder 520; the first elastic element 521 is sleeved on the inner cylinder 520 and located between the first position-limiting ring 522 and the second position-limiting ring 511; the lower end of the outer cylinder 510 is provided with an outer cylinder end cover 512, and the outer cylinder end cover 512 is annular and is located below the first limiting ring 522 and is fixedly installed at the lower end of the outer cylinder 510. By such arrangement, the inner cylinder 520 can slide up and down relative to the outer cylinder 510, and the second limiting ring 511 and the outer cylinder end cover 512 play a role in limiting the inner cylinder 520 in the vertical direction. When the screws are locked, the inner barrel 520 and the suction nozzle 570 move upwards relative to the outer barrel 510, so that the batch rod assembly 600 pushes the screws out of the suction nozzle 570 to realize the locking of the screws; when material is taken, the inner cylinder 520 is abutted to the outer cylinder end cover 512 under the action of the first elastic element 521, so that the lower end of the batch rod assembly 600 completely enters the suction nozzle 570, and space is provided for sucking screws.

Referring to fig. 1, in some embodiments of the present invention, a limiting groove 523 is axially disposed on an outer side of the inner cylinder 520, and a limiting protrusion extending to the limiting groove 523 is disposed on an inner side of the outer cylinder end cover 512.

Through setting up like this, spacing groove 523 and spacing arch can carry on spacingly to inner tube 520, prevent that inner tube 520 is rotatory for urceolus 510 to spacing groove 523 can play the guide effect to inner tube 520 vertical migration.

Referring to fig. 1, in some embodiments of the present invention, the batch rod assembly 600 includes a batch rod locking structure 610 and a batch rod, the batch rod locking structure 610 includes a transmission sleeve 611 in transmission connection with the fourth power member 420, a second elastic member 613 is disposed in the transmission sleeve 611, the batch rod is slidably disposed in the transmission sleeve 611 up and down and abutted against a lower end of the second elastic member 613, and the transmission sleeve 611 can drive the batch rod to rotate.

Specifically, the transmission sleeve 611 is connected with the rotating shaft of the fourth power member 420, the batch rod is disposed in the transmission sleeve 611, and the transmission sleeve 611 can drive the batch rod to rotate under the action of the fourth power member 420; the second elastic piece 613 is arranged in the transmission sleeve 611, the upper end of the screwdriver rod is abutted to the second elastic piece 613, the second elastic piece 613 can buffer the screwdriver rod in the screw locking process, and stable assembly of screws can be achieved.

It is contemplated that the second elastic member 613 may be a compression spring.

Further, the transmission sleeve 611 is axially provided with a long hole 612, and the upper end of the batch rod can be connected with the long hole 612 through a pin. The long hole 612 can limit the sliding distance of the batch rod in the transmission sleeve 611 by the arrangement that the transmission sleeve 611 drives the batch rod to rotate.

Referring to fig. 1 and 2, in some embodiments of the present invention, the batch rod includes a driving batch rod 620 and a driven batch rod 630, and the driving batch rod 620 and the driven batch rod 630 are connected by a batch rod quick-change structure 640; the batch rod quick-change structure 640 comprises a lock sleeve 641, a steel ball 642 and a third elastic element 643; the transmission batch rod 620 is connected with the transmission sleeve 611, a groove is formed in the lower end of the transmission batch rod 620, a limiting hole 621 is formed in the side wall of the groove, a groove 631 is formed in the side wall of the upper end of the driven batch rod 630, the groove 631 corresponds to the limiting hole 621 in position, the steel ball 642 is arranged in the limiting hole 621, a third limiting ring 622 is further arranged on the outer side of the groove of the transmission batch rod 620, a lock sleeve 641 is sleeved on the outer side of the groove, a fourth limiting ring is arranged on the inner side of the lock sleeve 641, a third elastic element 643 is arranged between the fourth limiting ring and the third limiting ring 622, the fourth limiting ring is abutted against the steel ball 642 to restrain the steel ball 642 in the groove 631, and the fourth limiting ring can compress the third elastic element 643 to be far away from the steel ball 642, so that the.

The third limiting ring 622 is disposed outside the transmission batch rod 620, the fourth limiting ring is disposed inside the lock sleeve 641, the third limiting ring 622 and the fourth limiting ring are disposed opposite to each other, and the third elastic element 643 is disposed between the third limiting ring 622 and the fourth limiting ring, so that the lock sleeve 641 can slide on the transmission batch rod 620. In the fixing state, the fourth limiting ring abuts against the steel balls 642 to fix the steel balls 642 in the grooves 631, so that the driving batch rod 620 and the driven batch rod 630 can be prevented from being disengaged. In a disassembly state, the lock sleeve 641 is pushed upwards by an external force to drive the fourth position-limiting ring to move upwards to compress the third elastic element 643, so that the fourth position-limiting ring is far away from the steel ball 642, the steel ball 642 loses the constraint of the fourth position-limiting ring and can move towards a direction far away from the groove 631, the groove 631 is separated from the constraint of the steel ball 642, and the driven batch rod 630 and the transmission batch rod 620 are convenient to disassemble.

Wherein, the third elastic element 643 may be a spring.

Referring to fig. 1, in some embodiments of the present invention, the resilient sleeve assembly 500 further includes a fixing member 530, a guide tube 550 and an adjusting member 540, the fixing member 530 is a T-shaped tube having a through hole in the middle, the upper end of the T-shaped tube is fixedly installed on the lower end of the inner tube 520, the lower end of the T-shaped tube sequentially penetrates through the adjusting member 540 and the guide tube 550, and the suction nozzle 570 is disposed at the lower end of the guide tube 550.

Specifically, the outer side of the lower end of the T-shaped pipe may be provided with threads, the inner sides of the adjusting piece 540 and the guide pipe 550 may also be provided with threads, the lower end of the T-shaped pipe may be sequentially inserted into the adjusting piece 540 and the guide pipe 550 in a threaded connection manner, and the suction nozzle 570 is disposed at the lower end of the guide pipe 550. By setting the position of the adjusting member 540, the axial connection depth of the guide pipe 550 and the T-shaped pipe can be adjusted, thereby adjusting the height of the suction nozzle 570.

Further, an air hole is formed in the middle of the guide pipe 550, an air pipe connector 560 is connected to the air hole, the air pipe connector 560 is used for connecting an air pipe, air suction and blowing can be achieved, a suction nozzle 570 can suck screws conveniently, and the adjusting piece 540 can be a nut.

Referring to fig. 4 and 5, in some embodiments of the present invention, the vertical driving mechanism 300 includes a third moving member 310, a transmission assembly 330 and a guiding member 340, the guiding member 340 is vertically disposed, the third moving member 310 is disposed on the transmission assembly 330 and slidably connected to the guiding member 340, the transmission assembly 330 is connected to a third power member 320 for driving the third moving member 310 to slide on the guiding member 340, and the third moving member 310 is connected to the mounting plate 410.

The third power member 300 may be a rotating motor or other mechanism capable of increasing the rotating power, the guide 340 may be a slide rail, and the third moving member 310 may be a slider.

Specifically, the guide 340 is vertically arranged, the third moving member 310 is slidably connected with the guide 340, and the third power member 320 drives the transmission assembly 330, so that the transmission assembly 330 drives the third moving member 310 to slide on the guide 340, and the third moving member 310 is moved in the vertical direction. The third moving part 310 is connected with the mounting plate 410, and in the screw assembling process, through the vertical movement of the third moving part 310, the locking and paying pressure can be provided for the batch rod assembly 600 connected with the locking and paying power mechanism 400, and compared with the manual screw assembling by holding the screw locking and paying device by hand, the manual screw assembling device can reduce the labor cost, improve the screw assembling efficiency and is suitable for the working environment of large-scale production and assembling; compare in the conventional structure that uses cylinder drive batch pole subassembly 600 up-and-down motion, not only can save accessories such as cylinder, need not to wait for the cylinder to put in place in the simultaneous working process and then carry out screw assembly, saved operating time greatly, promoted assembly efficiency.

Referring to fig. 5, in some embodiments of the present invention, the transmission assembly 330 includes a synchronous belt 331, a lead screw 332 and a lead screw nut, the synchronous belt 331 is connected between the third power member 320 and the lead screw 332, and the third moving member 310 is connected to the lead screw 332 through the lead screw nut.

Through such an arrangement, the rotational motion of the third power member 320 can be converted into the vertical up-and-down motion of the lead screw nut and the third moving member 310, thereby driving the locking power mechanism 400, the vertical driving mechanism 300, the rebound sleeve assembly 500 and the batch rod assembly to perform the vertical up-and-down motion.

Referring to fig. 4 and 5, a screw assembling robot according to an embodiment of the present invention includes the screw locking device of the first aspect, and further includes a base 700, a first mobile platform 100, and a second mobile platform 200.

The first moving platform 100 includes a first moving member 110 disposed on the base 700, and a first power member 120 for driving the first moving member 110 to rotate horizontally on the base 700; the second moving platform 200 comprises a second moving member 210 disposed on the first moving member 110, and a second power member 220 for driving the second moving member 210 to rotate horizontally on the first moving member 110; the screw locking device is disposed on the second moving member 210.

The first power member 120 and the second power member 220 may be rotating motors or other mechanisms capable of increasing the rotating power.

Specifically, the first moving part 110 may be disposed on the upper surface of the base 700, the first moving part 110 is further connected to a first power part 120, and the first power part 120 may drive the first moving part 110 to rotate horizontally on the base 700. The second moving part 210 can be disposed on the upper surface of the first moving part 110, the second moving part 210 is further connected to a second power part 220, and the second power part 220 can drive the second moving part 210 to horizontally rotate on the first moving part 110. The screw 332 may be vertically disposed on the second moving member 210 such that the screw 332 is parallel to the guide 340. The third power member 320 is installed on the second moving member 210, and the synchronous belt 331 is simultaneously connected to the screw rod 332 and a rotating shaft (not shown) of the third power member 320, so that the third power member 320 can transmit the screw rod 332; be provided with screw-nut between the upper and lower end of lead screw 332 to with third moving member 310 and screw-nut installation fixed, thereby drive third moving member 310 and move on lead screw 332, realize the mounting panel 410 of being connected with third moving member 310 and the fourth power component 420 of being connected with mounting panel 410, resilience sleeve subassembly 500, batch pole subassembly 600 can follow third moving member 310 and on second moving member 210 vertical motion.

Through the arrangement, the screw assembling robot of the embodiment rotates the first moving part 110 and the second moving part 210 to the material taking point, the suction nozzle 570 sucks a screw, the screw assembling robot rotates the first moving part 110 and the second moving part 210 to the position above the locking and paying point, the mounting plate 410 moves vertically downwards along with the third moving part 310 to drive the fourth power part 420, the rebound sleeve assembly 500 and the batch rod locking assembly 500 to move downwards, after the suction nozzle 570 contacts the surface of a workpiece to be paid, parts such as the inner cylinder 520 and the suction nozzle 570 installed below the inner cylinder 520 stop moving downwards, the third moving part 310, the locking and paying power mechanism 400, the outer cylinder 510 and the batch rod assembly 600 continue moving downwards, and when the batch rod assembly 600 moves to the locking and paying point with the screw, the fourth power part 420 rotates to lock and pay the screw on the workpiece. After the screw is locked on the workpiece, the third moving member 310 drives the locking power mechanism 400, the outer cylinder 510 and the batch rod assembly 500 to move upwards, the lower end of the batch rod assembly 600 completely enters the suction nozzle 570 to provide a space for sucking the screw next time, after the first limit ring 522 abuts against the outer cylinder end cover 512 under the action of the first elastic member 521, the inner cylinder 520 drives the guide member 530, the adjusting member 540, the guide pipe 550, the air pipe connector 560 and the suction nozzle 570 to move upwards, and after the workpiece moves to a safe and non-interference position, the next screw assembling process is waited.

The screw assembly robot that this embodiment provided utilizes vertical actuating mechanism 300, lock and pays power unit 400, kick-back sleeve subassembly 500 and criticize the ingenious cooperation of parts such as pole subassembly 600, realized the fast and stable assembly of screw, compare and adopt the cylinder to drive and criticize the conventional structure that the pole carried out the up-and-down motion, accessories such as cylinder not only can be saved to this embodiment, need not to wait for the cylinder to target in place again and carry out screw assembly in the course of the work simultaneously, and the operating time has been saved greatly, and the assembly efficiency is promoted.

Further, bearings are sleeved at the upper end and the lower end of the screw rod 332, the vertical driving mechanism 300 further comprises a support arranged in the same direction as the screw rod 332, the lower end of the support is fastened on the second moving part 210, and the upper end of the support is connected with the bearings arranged at the upper end of the screw rod 332 through a flange; the lower end of the screw rod 332 is fixed by a bearing and a flange arranged on the second moving part 210; the guide 340 is vertically fixed to the bracket. Through the mode that the fixed lead screw 332 at both ends, the guide piece 340 and the lead screw 332 are vertically arranged on the second moving piece 210, the lead screw 332 can be fixed more firmly, and the coaxiality of the lead screw 332 and the guide piece 340 can be improved.

In some embodiments of the present invention, the first power member 120 is disposed on the base 700 and connected to one end of the first moving member 110, the second power member 220 is disposed on the second moving member 210 and connected to the other end of the first moving member 110, and the third moving member 310 is disposed at one end of the second moving member 210 away from the second power member 220.

Referring to fig. 4 and 5, the first power member 120 is disposed on the base 700, and a rotation shaft (not shown) of the first power member 120 is connected to one end of the first moving member 110, so that the first moving member 110 can rotate on the base 700 about the rotation shaft of the first power member 120; the second power member 220 is disposed on the second moving member 210, and a rotation axis (not shown) of the second power member 220 is connected to the other end of the first moving member 110, so that the second moving member 210 can rotate on the first moving member 110 about the rotation axis of the second power member 220; the third moving part 310 is disposed at an end of the second moving part 210 far away from the second power part 220; through setting up like this, can effectual increase screw assembly robot's motion range.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A screw locking device, comprising:

the locking power mechanism comprises a mounting plate and a fourth power piece arranged on the mounting plate;

the vertical driving mechanism is connected with the mounting plate and can drive the mounting plate to move in the vertical direction;

the resilience sleeve component comprises an outer barrel arranged at the lower end of the mounting plate and an inner barrel sleeved with the lower end of the outer barrel, a first elastic part is arranged between the inner barrel and the outer barrel, and a suction nozzle is arranged at the lower end of the inner barrel;

and the batching rod assembly is arranged in the rebound sleeve assembly and is connected with the fourth power part, and the fourth power part can drive the batching rod assembly to rotate.

2. The screw locking device of claim 1, wherein: the inner tube outside is provided with first spacing ring, the urceolus inboard is provided with the second spacing ring, the urceolus lower extreme is provided with the urceolus end cover, the urceolus end cover set up in first spacing ring below is in order to prevent the inner tube breaks away from the urceolus, first elastic component set up in first spacing ring with between the second spacing ring.

3. The screw locking device of claim 2, wherein: the inner tube outside is provided with the spacing groove along the axial, the urceolus end cover inboard is provided with to spacing arch that the spacing groove extends.

4. The screw locking device of claim 1, wherein: the batch rod assembly comprises a batch rod locking structure and a batch rod, the batch rod locking structure comprises a transmission sleeve connected with the fourth power part, a second elastic part is arranged in the transmission sleeve, the batch rod is arranged in the transmission sleeve in an up-and-down sliding mode and is abutted to the lower end of the second elastic part, and the transmission sleeve can drive the batch rod to rotate.

5. The screw locking device of claim 4, wherein: the batch rod comprises a transmission batch rod and a driven batch rod, and the transmission batch rod and the driven batch rod are connected through a batch rod quick-change structure; the batch rod quick-change structure comprises a lock sleeve, a steel ball and a third elastic piece; the transmission batch rod is connected with the transmission sleeve, the lower end of the transmission batch rod is provided with a groove, the side wall of the groove is provided with a limiting hole, the side wall of the upper end of the driven batch rod is provided with a groove, the groove corresponds to the limiting hole in position, the steel ball is arranged in the limiting hole, the transmission batch rod is further provided with a third limiting ring outside the groove, the lock sleeve is sleeved on the outer side of the groove, the inner side of the lock sleeve is provided with a fourth limiting ring, a third elastic element is arranged between the fourth limiting ring and the third limiting ring, the fourth limiting ring is abutted to the steel ball so as to constrain the steel ball in the groove, and the fourth limiting ring can compress the third elastic element so as to keep away from the steel ball and enable the groove to be separated from the constraint of the steel ball.

6. The screw locking device of claim 1, wherein: the rebound sleeve assembly further comprises a fixing part, a guide pipe and an adjusting part, the fixing part is a T-shaped pipe with a through hole in the middle, the upper end of the T-shaped pipe is fixedly installed at the lower end of the inner barrel, the lower end of the T-shaped pipe sequentially penetrates through the adjusting part and the guide pipe, and the suction nozzle is arranged at the lower end of the guide pipe.

7. The screw locking device of claim 1, wherein: the vertical driving mechanism comprises a third moving part, a transmission assembly and a guide part, the guide part is vertically arranged, the third moving part is arranged on the transmission assembly and is in sliding connection with the guide part, the transmission assembly is connected with a third power part for driving the third moving part to slide on the guide part, and the third moving part is connected with the mounting plate.

8. The screw locking device of claim 7, wherein: the transmission assembly comprises a synchronous belt, a screw rod and a screw nut, the synchronous belt is connected between the third power part and the screw rod, and the third moving part is connected with the screw rod through the screw nut in a matching mode.

9. A screw assembling robot comprising the screw locking device according to any one of claims 1 to 8, further comprising:

a base;

the first moving platform comprises a first moving part arranged on the base and a first power part for driving the first moving part to horizontally rotate on the base;

the second moving platform comprises a second moving part arranged on the first moving part and a second power part for driving the second moving part to horizontally rotate on the first moving part;

the screw locking device is arranged on the second moving part.

10. The screw assembling robot according to claim 9, wherein: the first power part is arranged on the base and connected with one end of the first moving part, the second power part is arranged on the second moving part and connected with the other end of the first moving part, and the screw locking and paying device is arranged at one end, far away from the second power part, of the second moving part.